Home / 27,711.53-41,573.45-7,988.55

Finding the Fourth Proportional to 27,711.53, 41,573.45 and 7,988.55

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Solution

The fourth proportional to 27,711.53, 41,573.45 and 7,988.55 is: 11,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.53 : 41,573.45 = 7,988.55 : x
  2. Step 2: Convert to fraction form
    27,711.53/41,573.45 = 7,988.55/x
  3. Step 3: Cross multiply
    27,711.53x = 41,573.45 × 7,988.55
  4. Step 4: Simplify right side
    27,711.53x = 332,111,574.01
  5. Step 5: Solve for x
    x = 332,111,574.01/27,711.53
  6. Step 6: Final answer
    x = 11,984.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.